The Amphibians and Reptiles of Sinaloa, Mexico - Smithsonian ...

156 UNIVERSITY OF KANSAS PUBLS., MUS. NAT. HIST.
mm, in length gave birth to 17 young on July 23 near San Ignacio.
The largest boa collected, a female measuring 2250 mm., gave
birth to 36 young on August 11 (Scott, 1962:32). The first young
of the year were collected on July 30, and young individuals were
collected almost every night thereafter through September 15.
Distribution in Sinaloa.—Low to moderate elevations throughout
the state. See Fig. 59,
Specimens examined.—7.8 mi. [by hwy, 15] N Acaponeta [Nayarit]
(LACM 6783); 7.7 mi. S Cerro Prieto (UAZ 9372); 16 km. NNE Choix, 519
m. (°KU 73484); 10 mi. NE Conoordia (UAZ 16280); 7.1 mi. S Coyotitan
(JFC 63:142); Culiacan (LACM 6774); 16.5 mi. S Culiacan (CSCLB 1967);
25.6 mi, S Culiacan (LACM 6780); 31.7 mi. S Culiacan (LACM 6781);
37.6 mi. S Culiacan (LACM 6782); 34 mi. NW Culiacan (TRM 1103); 24 mi.
SSE Escuinapa (CSCLB 1958, 1966); Equinal [PEspinal] (UCLA 14839);
7.2 mi. S Guamuchil (LACM 6784); 6.7 mi. N La Cruz rd. on hwy. 15 (LACM
6777); 14.6 mi. NE Los Modus June. (UAZ 16284); Mazadan (LACM 6778);
N Mazatlan (UCLA 5875); 0-13 mi. N Mazatlan (UAZ 16281-83); 1.6 mi. N
Mazatlan (CSCLB 1963); 5 km. N Mazatlan ('KU 73486); 4 mi, N Mazatlan
(JFC 62:36); 5.2 mi. N Mazatlan (UAZ 16285); 6 mi. N Mazatlan (CSCLB
1965); 10.2 mi. N Mazatlan (CSCLB 1962); 29 km. N Mazatlan (°KU
61348); 38.5 mi. N Mazatlan (CSCLB 1960); 42.5 mi. N Mazadan (CSCLB
1961); 50.6 mi. N Mazatlan (UAZ 16286); 58 mi. N Mazatlan (JFC 62:37);
15 mi. NNW Mazadan (KU 69110); 15.7 mi. SE Mazatlan (UAZ 16287);
4.1 mi. N Piaxda, Rio (CSCLB 1964); Teacapan (LACM 6785-95); 14.4 mi.
S Terreros (LACM 6779); 21 km. SE Villa Union ('KU 73485).
Literature records.—Near Mazadan (Lewis and Johnson, 1956:280); Sierra
de Choix (Smith, 1943a:409).
Additional records.—Camino Real de Piaxda (AMNH 69684); Choix
(USNM 46503); 2 mi. N Culiacan (AMNH 76872); 4.2 mi. N Culiacan (FAS
7724); 20-24 mi. N. Culiacan (FAS 11357); 15 mi. NW Culiacan (AMNH
62988); 8.8 mi. N El Dorado (SU 23792); 5.7 mi. N Escuinapa (FAS 14840);
Higuera de Zaragoza (SDSNH 18285, 38871-85, 38891-93, 40350-51); 19 mi,
N Los Mochis (AMNH 77590); 4 mi. N Mazadan (UP 12791); 12 mi. N.
Mazadan, 200 ft. (TCWC 12604); 25 mi. N Mazadan (UF 12792); 30.3 mi.
N Mazadan (SU 23791); 2 mi. NE Mazadan (MCZ 80908); 2 mi. E Mazadan
(EHT-HMS 711); 3 mi. NNW Mazadan, 25 ft. (UMMZ 114651); 28.5
mi. NNW Mazatlan, 300 ft. (UMMZ 114647); 29.5 mi, NNW Mazadan, 300
ft. (UMMZ 114662); 23.6 mi. SE Rio Piaxtla (SU 23789); Presidio (EHT-
HMS 691).
Family Colubridae
Arizona elegans noctivaga Klauber
Arizona elegans noctivaga Klauber, Trans. San Diego Soc. Nat, Hist, 10:343,
March 29, 1946 (type locality, eight miles northwest of Owlshead, Pima
County, Arizona).
Remarks.—A single specimen was reported from the lowland
thorn forest by Greer (1964:215).
Distribution in Sinaloa.—Known only from the lowlands in the
vicinity of Mazatlan. See Fig. 60.
Specimens examined.—None.
Literature record.—1.1 mi. N. Mazadan (Greer, 1964:215).